Seems most of the debate is about what KISS stands for and various versions have been handed down.
The original KISS is "Keep it Simple, Stupid". This phrase was in use during the Apollo Project in the 1960s in US.
In the later years, Bill Clinton's 1992 campaign team twisted it to the related expression "It's the economy, stupid!".
The question is what version the writer of the article meant. If u read the first para - the writer uses the words "Simplicity" and "Stupid". So I think he meant
